The interactive products from Numonics – the Intelliboard (I-Board), the Interactive Presentation Manager® (IPM) and the Digital Presentation ApplianceTM (DPA) - use Numonics' patented electromagnetic technology.  To see product comparisons of these products, click here.

Other technologies used by available interactive products on the market are "resistive" or "laser." The electromagnetic technology has very definitive advantages. To understand these advantages, it is necessary to understand the technology.